Material: aluminum

Extension length: 370 cm

A step ladder height: 180 cm

Scaffold height: 102 cm

Number of rungs: 4x3 steps

Total steps: 12 steps

Space between two rungs:29cm

Thickness of Aluminum: 1.2mm

Max load: 150kgs

N.W/G.W.: 11.6/12 kgs

Carton size: 101x28x38cm

20" FL/40" FL/40" HQ : 296pcs/540pcs/740pcs